Planet HD 155555 (AB)b

Detailed information about planet HD 155555 (AB)b and its parameters.

Planet

Name
HD 155555 (AB)b
Planet Status
Confirmed
Discovered in
2024
Update
2025-01-21
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Detection Method
Astrometry
Mass Meas. Method
Astrometry
Radius Meas. Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names
V824 Ara (AB)b, HIP 84586 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
HD 155555 (AB)
Distance
Spectral type
G5+K1
Apparent magnitude V
6.72
Mass
Age
0.02 ( ± 0.015 ) Gyr
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
17:17:25.5
Dec2000
-66:57:03.7
Alternate Names
V824 Ara, HIP 84586, LDS 587 A

Triple system: RS CVn type variable with short-period (P = 1.6817 d) K dwarf companion star and widely separated tertiary M dwarf companion (HD 155555 C, spT M3.Ve) 34 arcseconds away (1,036 AUs at 30.5 pc).

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